23443003644 has 192 divisors, whose sum is σ = 61590896640. Its totient is φ = 6910928640.

The previous prime is 23443003627. The next prime is 23443003651. The reversal of 23443003644 is 44630034432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26548827 + ... + 26549709.

It is an arithmetic number, because the mean of its divisors is an integer number (320785920).

Almost surely, 2^23443003644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23443003644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30795448320).

23443003644 is an abundant number, since it is smaller than the sum of its proper divisors (38147892996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23443003644 is a wasteful number, since it uses less digits than its factorization.

23443003644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

The spelling of 23443003644 in words is "twenty-three billion, four hundred forty-three million, three thousand, six hundred forty-four".